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Old 01-04-2017, 02:42 AM   #1
Scooby Newbie
Member#: 460080
Join Date: Dec 2016
Default 2011 WRX Running rich?? and low COOLANT

I'm still very new to the Subaru scene and am trying to learn as much as possible. Just have a few concerns!

81k miles

Invidia catted dp
Cobb Intake
Turbosmart recirculating BOV
Protuned on thanksgiving break about a month ago.
Grimmspeed Oil/Air separator

I posted a thread maybe a little over a week ago about my car blowing out a decent amount of white smoke when it was extremely cold (on start-up). I haven't had an issue since but it also hasn't hit low temps since then either.

So I have some concerns, the first one being my coolant reservoir. When I changed my oil about 100 miles ago I realized my coolant was about an inch lower than the "low" line on my coolant reservoir. So I got it up to operating temp and poured coolant in until it was up to "full" line. A day later I check it again and it's at the same exact spot that it was at before, 1 inch under the "low" line of the reservoir. I haven't experienced any overheating at all either. Anyone have any ideas???

Also, I have a question about running rich. In my last post someone said I could be running rich. Since it has gotten colder out (I don't know if temp has anything to do with it), I have noticed my exhaust smells a lot more like gasoline. My gas mileage has dropped a bit, I usually get 19-21 city now getting 17-18 city, and used to get 25-27 highway and now only getting 22ish highway. I experienced this drop in mileage as soon as outdoor temps started hitting 0 degrees fahrenheit because of winter. So my question is: do any of you believe I am running rich or could this be another issue??

Thanks in advance,
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Old 01-04-2017, 03:51 AM   #2
Scooby Newbie
Member#: 456662
Join Date: Oct 2016
Location: Lakewood, Colorado
2016 WRX


In the thread you linked to is the answer. The graphic posted - your head gasket is leaking.
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